JP2015001132A - Door knob with led lighting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door knob which comprises LED lighting put on only when a door knob is operated at night, which has such a display function as an electrical news tape, that is, the display function of making a door knob surface display a record message for a person returning home, from an indoor side, and which is made of a complex of die-cast aluminum and a resin.SOLUTION: A door knob comprises a die-cast aluminum insert that is used on a front side of a door and that is fitted with LED lighting and an electronic display for displaying a record message, a door knob body that is a synthetic resin complex, a power source part, an operation part, and a control circuit part.

Description

The present invention relates to a doorknob that locks and unlocks a key reliably and safely in a short time, and at the same time, a message message from the indoor side is displayed on an electronic bulletin board.

Conventionally, a door knob is a handle that is attached integrally with a door to open and close the door, and has a structure in which the door is opened by rotating, pushing, or pulling the knob. At night, there are light-emitting facilities in which LEDs for viewing the doorknob are installed on the doorknob and light-emitting facilities in which LEDs for displaying or illuminating the keyholes of the door are installed. Patent document 1 can be mentioned as a well-known technique relevant to this. Also, in the vicinity of the doorknob, provided with a doorknob illuminating device having an infrared sensor for detecting the presence or absence of a person and an illuminance sensor for detecting the illuminance around the doorknob, when the detection of the person in front of the door and the brightness around the door are insufficient, There is a device for lighting a door knob illumination device. Patent document 2 can be mentioned as a well-known technique relevant to this. In addition, an indicator lamp is provided on the door knob on the outside in order to notify the outside that the room is in use by operating the lock button of the door knob device (example of a door knob device with an indicator lamp) Is shown in Patent Document 3.

That is, the following Patent Document 1, Patent Document 2, and Patent Document 3 can be cited as known techniques related to the present invention.

JP 2001-147657 A (pages 2-6, 8-9, FIG. 20, FIG. 21) Japanese Patent Laid-Open No. 10-108751 (page 2-3, FIG. 1, FIG. 2, FIG. 5) Registered Utility Model Publication No. 3045886 (Page 2, Page 4, Page 7-8, Figure 1)

As described above, in the doorknob according to the prior art, when the key is inserted into the keyhole provided near the doorknob and unlocked, the lighting device is part of the doorknob so that it can be operated reliably and safely in a short time. Or it is provided in the place different from a doorknob, for example, the entrance side, and always lights up at a certain time zone at night. However, the night illumination device is only required for locking and unlocking, and there is no need to keep it on all the time. In addition, there is no door knob or door knob peripheral device having a function of displaying a message message that welcomes a householder who goes home from outside at night. Die casting is generally used as a material for door knobs because of its strength and durability, but die casting is made of aluminum or zinc, and there is a problem that it does not match the design and colorful colors around the door or entrance. It was. As an improvement measure, painting is performed on the die cast surface to match the surrounding color tone, but there is a problem that a post-treatment process such as painting is required and the cost is increased.

  The present invention has been made in view of the above points, and its purpose is to turn on only at the time of a door knob operation at night, and to make a door knob with LED illumination that can securely and safely perform an unlocking operation. The message message that welcomes the returnee from home has a display function (electronic display such as a fluorescent display tube) on the doorknob surface when the doorknob is operated, and can be selectively adjusted to the color tone of the doorknob peripheral equipment An object of the present invention is to provide a door knob that is formed by molding (that is, including a door knob body of a composite body of an aluminum die-casting and a resin integrally formed) by using an aluminum die-casting that has a resin applied to the surface and taking charge as an insert.

  In order to achieve the above-described object, the means 1 of the present invention provides the following: (1): in the door knob 10 in which the operation guide characters 15a are displayed on the front side of the door 2 so as to be visible and the indicator lamp 35 is provided on the back side. When the operation such as pushing or pulling 10 is performed, the indicator light 35 is turned on, the light is turned off after a predetermined time, and the door knob 10 released from the operation has a built-in mechanism for returning to the neutral position in the standby state. The indicator lamp 35 is turned off in the neutral position, and the doorknob body 11 is a doorknob 10 formed by integrally molding a composite member of an aluminum die cast 13 and a resin 14, and the means 2 of the present invention. Then, (2): It is attached so as to protrude to the surface side of the door 2, and the operation guide characters 15a such as “push”, “PUSH”, or “pull” from the surface side are authorized to view. And mounting portions 14b and 14c are provided on the back side so that the light-emitting element 35 or the electronic display 38 can be mounted on the front side as the indicator lamp, and the door knob body 11 is directed rearward from the center on the back side. A support arm 16 that protrudes and a shaft hole 16a serving as a rotation center in the vicinity of the rear end of the support arm 16 so that one of the detection switches 26a and 26b can be operated during rotation. One or the other long pins 18 and 19 are protruded to return to the neutral position from the rotated state, and one or the other tall-shaped return springs 28a and 28b are attached to hold the neutral position. One or the other short pin 21 or 22 is obtained, and an aluminum die-casting die formed by supporting the rotation center shaft 32 in the shaft hole 16a of the support arm 16 is obtained. A tar-shaped return spring 28a, which is configured as a composite doorknob body 11 integrally formed of a synthetic resin 14 so as to cover the surface 13 and the side and the periphery of the insert 13 and is attached to the short pins 21 and 22 is covered. , 28b constitute a mechanism for returning to the neutral position in the standby state, and the light emitting element 35 or the electronic display 38 is attached so as to emit light from the back side to the front side, respectively, and the power source unit 70 and the operation unit 75 are attached. And the control circuit unit 41. The doorknob 10 according to means 1, wherein the doorknob 10 is provided.

And, in the means 3 of the present invention, (3): the brightness of sunlight in the daytime is detected in the control circuit unit 41, and as long as it is detected, the light emitting element 35 is not lit when operating the door knob 10, The light emitting element 35 is turned on for a predetermined time when the door knob 10 is operated only at night when it is not detected, and the keyhole 8a can be irradiated. This is the door knob 10.
According to the means 4 of the present invention, (4): For example, “Take home, work hard work” or “Thank you hard work” on the electronic display 38 in conjunction with turning on and off the light emitting element 35 for a predetermined time. The door knob 10 according to any one of the means 1 to 3, which is provided with an operation unit 75 capable of selecting and displaying a message message such as "Thank you always". It is. In the means 5 of the present invention, (5): in the door knob body 11 formed by integrally molding a composite member of the aluminum die cast 13 and the resin 14, the resin 14 is transparent or translucent and contains an antistatic agent. It is the doorknob 10 as described in any one of Claims 1-4 characterized by the above-mentioned.

As described above, according to claims 1 and 2 of the present invention, the doorknob is formed of a composite of aluminum die casting and synthetic resin, and the strength and durability of the doorknob are guaranteed, leading to crime prevention, and at the same time By being able to select the color variation of the resin, it becomes possible to provide a door knob that matches the design and appearance around the door knob. Further, the door knob is a composite of an aluminum die cast and a synthetic resin, and is integrally formed in a resin mold, so that post-processing such as painting is not required on the surface of the aluminum die cast, and the door knob is manufactured at a low cost.
According to the third aspect of the present invention, the light emitting element is not turned on when the door knob is operated as long as the brightness of daytime sunlight is detected and detected while having the effects of the first and second aspects. Only at night when it is not detected, the LED illumination circuit is turned “ON” when the door knob is operated, the LED illumination integrated into the door knob lights up for a certain period of time, and the position of the keyhole provided near the door knob can be found in a short time. Thus, the door can be securely locked and unlocked, and energy saving is achieved by controlling the lighting time.
And according to claim 4 of the present invention, in addition to having the effects of claims 1 to 3, further, the thought of the housekeeper in the room is displayed as a message message on the electronic display on the doorknob surface, and at night It is possible to welcome home with warm lighting and message.
According to the fifth aspect of the present invention, in addition to having the effects of the first to fourth aspects, the doorknob 10 is formed by integrally molding a composite member of an aluminum die cast 13 and a resin 14. Since the door knob body 11 is provided and the resin 14 is transparent or translucent and contains an antistatic agent, it is beautiful at night when the door knob 10 is operated, and unpleasant static electricity on fingers. It is comfortable with the door knob 10 that can be operated with peace of mind.

It is a front view of the door provided with the door knob which concerns on this invention. Fig.2 (a) is a front view of the doorknob concerning this invention, FIG.2 (b) is a right view (partial cross section) of the doorknob concerning this invention. 3 (a) is a front view of the door knob body according to the present invention, FIG. 3 (b) is a right side view of the door knob body according to the present invention, and FIG. 3 (c) is according to the present invention. It is an upper side view of a doorknob body. It is a rear view of the doorknob which concerns on this invention. FIG. 5 (a) shows a main part of a right side view (partial cross section) showing a standby state of the door knob according to the present invention, and FIG. 5 (b) shows that the door knob according to the present invention is pushed downward. FIG. 5C shows a main part of a right side view (partial cross section) showing a state in which the door is tilted downward, and FIG. 5C shows that the door knob according to the present invention is pressed upward and tilted upward. The principal part of the right view (part cross section) which shows a state is represented. FIG. 5 is an image perspective view for explaining an example in which the latch bolt is operated in a state where the door knob according to the present invention is pressed upward and tilted upward. It is an electrical wiring diagram of the doorknob which concerns on this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 1, a door 2 is closed on a vertical frame 1 of an entrance pillar. According to the operation guide characters 15 such as “push”, “PUSH”, or “pull” displayed on the door knob 10 so as to be visible from the surface side, the door knob 10 attached so as to protrude to the surface side of the door 2, By pushing the door knob 10, a latch bolt 50 (not shown) can be retracted as will be described later.
When the finger that presses the door knob 10 is released, the door knob 10 returns from the rotated state to the neutral position in the standby state and maintains the neutral position by the action of the return spring 28 that is a tall compression coil spring. Return. At night, the spread of illumination by lighting the light emitting element 35 and the message message on the electronic display 38 can be visually confirmed, so that the user can feel a sense of relief when returning home.

3 (a), 3 (b), and 3 (c), the door knob body 11 is synthesized so as to cover the aluminum die-cast insert 13 and the surface and side periphery of the aluminum die-cast insert 13. The resin portion 14 is molded as an integrally molded composite. The aluminum die-cast insert 13 is provided with operation guide characters 15a such as “push”, “PUSH”, or “pull” raised in the vicinity of the upper end portion on the front surface side of the rectangular plate member portion 15. The supporting arms 16 and 16 projecting rearward in the left-right parallel and in the longitudinal direction of the substantially central portion on the back surface side, and passing through the vicinity of the rear end portions of the supporting arms 16 and 16 to the left and right. 32 is provided with a shaft hole 16a pivotally supported by one long pin 18 in the vicinity of the upper end portion on the back surface side of the rectangular plate member 15 and the other longer pin 19 in the vicinity of the lower end portion on the back surface side. , One short pin 21 at a substantially middle portion between the support arms 16, 16 and the one long pin 18, and approximately halfway between the support arms 16, 16 and the other long pin 19. One short pin 22 in the part S provided, further, is provided with a rectangular electronic display window holes 23 in the lateral direction lower portion of the one short pin 22.
Then, the composite door knob body 11 is formed by the synthetic resin portion 14 so as to cover the surface and the side periphery of the insert 13, and shallow unevenness such as pear texture is formed on the surface along the four sides of the synthetic resin portion 14. The embossing 14 which is the process to attach is given, and the light emitting element attaching part 14b and the electronic display attaching part 14c are provided in the back surface. (See FIG. 3A and FIG. 4). Furthermore, the door knob main body 11 is formed by integrally molding a composite member of an aluminum die cast 13 and a resin 14, and the resin 14 is transparent or translucent and contains an antistatic agent. Therefore, when the door knob 10 is operated, it is beautiful at night, and there is no discharge due to unpleasant static electricity on the fingers.

Fig.5 (a) shows the same state as the neutral position of the doorknob 10 of the continuous line state of FIG.2 (b). That is, a dead bolt 9 that can be pulled in by a key 7 (not shown) that fits into a key hole 8a of a cylinder 8 of a lock 6 (not shown) and a latch bolt 50 that can be pulled in by turning the door knob 10 are provided. It is in a protruding state (locked state). The technique of the key 7 and the like that matches the key hole 8a of the cylinder 8 of the lock 6 (not shown) is the same as the technique used in the related art, and the detailed description thereof is omitted.

Referring to FIGS. 2A, 2B, and 5A, the doorknob 10 has a bullet-shaped LED mounted as a light emitting element 35 on the light emitting element mounting portions 14b at the four corners. A fluorescent display tube or a flat LED is mounted on the electronic display mounting portion 14c, and wiring is performed according to the electrical wiring diagram of FIG. The protrusion 52a of the drive arm 52 is sandwiched between the support arms 16 and 16 of the doorknob body 11, and the shaft holes 16a, 52b, and 16a are aligned with the shaft centers of the both ends of the support bracket 30. Positioned between the holes 30a and 30a, the rotation center shaft 32 is fitted, and the end of the support bracket 30 is attached to the doorknob mounting plate 12 with screws 30b. By that time, one end of one return spring 28a is attached to one pin 21, and similarly, one end of the other return spring 28b is attached to the other pin 22 and placed on one rivet hole of the door front side plate 3. The other end of the one return spring is inserted into the protruding portion of one rivet 3f that is inserted and fixed to 3d, and similarly, the other rivet 3g that is inserted and fixed into the other rivet hole 3e of the door front side plate 3 is protruded. The other end portion of the other return spring 28b is inserted into the portion. Then, the detection switch 26a with one actuator, the detection switch 26b with the other actuator, and the control circuit unit 41 including a relay are assembled and wired according to FIG. 7 and attached to the door knob mounting plate 12, respectively. The door knob mounting plate 12 is attached to the plate 4 with screws 12a.

At this time, when the actuator portion of the detection switch 26a with one actuator is adjacent to the one actuator hole 3b and the upper part of the door knob 10 is pushed down with a finger, one of the longer pins is used to This is a situation in which the detection switch with actuator 26a can be pressed (see FIG. 5C).
The actuator portion of the other detection switch with actuator 26b is in contact with the other actuator hole 3c, and when the lower part of the door knob 10 is pressed with a finger, the other longer pin causes the other actuator to This is a situation where the attachment detection switch 26b can be pressed (see FIG. 5B).
When the door knob 10 is assembled, the support bracket 30 is passed through the square hole of the door front plate 3, and the support bracket 30 is inserted into the shaft hole 52 b of the projecting portion 52 a of the drive arm 52 and the shaft holes 16 a and 16 a of the support arms 16 and 16. Although it is expected that it takes time to insert the rotation center shaft 32 into the shaft holes 30a and 30a at both rising portions and prevent the removal with the E-shaped retaining ring, it is not impossible. If the rotation center shaft 32 is a split pin or the like, workability is improved.

Referring to FIGS. 1 and 5, the brightness of daylight sunlight is detected by a control circuit unit 41 including a relay, and the light emitting element is not turned on when the door knob is operated as long as it is detected. Only when the door knob 10 is operated, the lighting of the light emitting element 35 is “ON” for a predetermined time, and the door knob 10 can irradiate the keyhole 8a. The door 2 has a dead bolt 9 (not shown) by inserting a key 7 (not shown) set with a lock 6 (not shown) into the key hole 8a of the cylinder 8 and turning it. The door 2 can be opened by unlocking the lock 6 and unlocking the lock 6 by operating the door knob 10 again. In the present invention, the door knob 10 is linked to the electronic display 38 in conjunction with the lighting and extinguishing of the light emitting element 35 for a predetermined time, for example, “Please come home, work hard” or “Thank you very much. "Thank you very much," and the message message by the operation unit 75 can be selected and displayed by the housekeeper in the room.

FIG. 6 is an image perspective view of the operation of the latch bolt 50 by breaking the door front side plate 3. Referring also to FIGS. 2B and 5C, when the door knob 10 is pushed down with a finger, the door knob 10 pivotally supported by the rotation center shaft 32 has one longer length. This is a situation where one of the detection switches 26a with an actuator can be pressed by the pin 18. At the same time, when the drive arm 52 rotates in the direction of the hollow arrow 53a, the substantially L-shaped lever 54 supported rotatably by the shaft member 54a by the bearing member is moved to the arrow at the pressed lever portion 54b. Since the pushing side lever portion 54c also moves in the direction of the arrow 55a because it is rotated in the direction 55a, the headed crank-shaped rod member 56 supported by the front and rear support members is repulsive force of the compression coil spring 58. Against the direction of the arrow 59a. Thus, one end of the swing arm 61 pivotally supported on the support bracket 62 by the stepped rivet 63 in the rotation center hole 61a is rotated in the clockwise direction indicated by the arrow 64a. The other end of 61 pulls the latch bolt to the left of the arrow 50c against the repulsive force of the coil spring 50b through the recessed groove 50a. At night, when the door knob 10 is operated, the light emitting element 35 is turned on for a predetermined time, and the electronic display is displayed, for example, “Please come home, work hard” or “Thank you very much. The message message from the operation unit is prepared by the housekeeper in the room, and the user can feel safe when he / she comes home. FIGS. 5B and 5C illustrate the spread of light rays when the light emitting element 35, the electronic display 38, and the like are turned on when the door knob 10 is operated only at night when sunlight is not detected. It is a thing. An upward light spread 36a and a downward light spread 39a are shown. When the finger is released from the door knob 10, the latch bolt 50 returns to the direction of the dotted arrow by the repulsive force of the coil spring 50b.

Next, as shown in FIG. 5B, when the door knob 10 is pressed downward by fingers, referring to FIG. 6, the door knob 10 in which the drive arm 52 is pivotally supported on the rotation center shaft 32 is In this situation, the detection switch 26b with one actuator can be pressed by the other longer pin 19. At the same time, when the drive arm 52 is rotated in the direction of the black arrow 53b, the substantially L-shaped lever 66 rotatably supported by the bearing member by the shaft member 66a is changed to the arrow 67a by the pressed lever portion 66b. Since it is rotated in the direction, the pushing side lever portion 66c also moves in the direction of the arrow 67a. As a result, the substantially L-shaped lever 54 moves the pushing side lever portion 54c from the back in the direction of the arrow 55a, so that the headed crank-shaped rod member 56 supported by the front and rear support members is compressed coil spring. It is moved in the direction of arrow 59a against the repulsive force of 58. Thus, one end of the swing arm 61 pivotally supported on the support bracket 62 by the stepped rivet 63 in the rotation center hole 61a is rotated in the clockwise direction indicated by the arrow 64a. The other end of 61 pulls the latch bolt to the left of the arrow 50c against the repulsive force of the coil spring 50b through the recessed groove 50a. At night, when the door knob 10 is operated, the light emitting element 35 is turned on for a predetermined time, and the electronic display is displayed, for example, “Please come home, work hard” or “Thank you very much. The message message from the operation unit is prepared by the housekeeper in the room, and the user can feel safe when he / she comes home.
When the finger is released from the door knob 10, the latch bolt 50 is returned in the direction of the dotted arrow by the repulsive force of the coil spring 50b.

  Although the embodiment of the present invention has been described above, the scope of the present invention is not limited to this, and it goes without saying that various modifications can be made without departing from the scope of the present invention.

The present invention is used in housing related industries such as lock maker, door knob maker, detached house, and condominium.

1 Vertical frame of entrance pillar, 2 Door, 3 Door front side plate, 4 Door back side plate, 6 Lock
8 cylinder, 9 dead bolt, 10 door knob, 11 door knob body,
12 door knob mounting plate, 13 aluminum die-cast insert, 14 integrally molded resin part,
16 support arm, 18 one longer pin, 19 the other longer pin,
21 One short pin, 22 The other short pin, 23 Window hole for electronic display,
26a, a detection switch with a first actuator, 26b, a detection switch with a second actuator, 28a, a first tall-shaped compression coil spring, 28b, a first tall-shaped compression coil spring,
30 support bracket, 30a shaft hole, 32 rotation center shaft, 35 light emitting element,
38 electronic display, 41 control circuit (including relay), 46 thumb turn,
48 Indoor door lever, 50 Latch bolt, 52 Drive arm, 54 L-shaped lever, 56 Crank-shaped rod member, 58 Compression coil spring, 61 Peristaltic arm, 62 Support bracket, 63 Stepped rivet with 70 heads, 70 Power supply unit, 75 Operation unit.

Claims (5)

In a doorknob that displays the operation guidance characters on the front side of the door in a visible manner and has an indicator light on the backside, the indicator light turns on when the door knob is pushed or pulled, and turns off after a predetermined time. The door knob released from the built-in mechanism for returning to the neutral position in the standby state, the lighting of the indicator light is released in the neutral position in the standby state, and the door knob body is integrally formed of a composite member of aluminum die casting and resin. A doorknob characterized by being configured. It is attached so as to protrude from the front surface side of the door, and the operation guide characters such as “push”, “PUSH”, or “pull” are displayed in a visible manner from the front surface side, and a light emitting element as the indicator lamp on the back surface side Alternatively, a mounting portion that can be attached to the front side of the electronic display is provided, and the doorknob body includes a support arm that protrudes rearward from the center portion on the back surface side, and a rotation center in the vicinity of the rear end portion of the support arm. The shaft has a hole, and one or the other long pin protrudes so that one or the other of the detection switches can be operated at the time of rotation, and is returned to the neutral position from the rotated state. One or the other Tall-shaped return spring for holding the neutral position can be attached, one or the other short pin protrudes, and the rotation center shaft is supported in the shaft hole of the support arm. The aluminum die-casting insert and the composite door knob main body formed of synthetic resin so as to cover the surface and side periphery of the insert, and the standby state by the tar-shaped return spring attached to the short pin A mechanism for returning to the neutral position is configured, and each of the light emitting elements or the electronic display is attached so as to emit light from the back side to the front side, and includes a power supply unit, an operation unit, and a control circuit unit. The door knob according to claim 1. As long as the brightness of sunlight in the daytime is detected and detected, the light emitting element is not turned on when the door knob is operated, and the light emitting element is turned on only at night when the door knob is not operated. The doorknob according to any one of claims 1 and 2, characterized in that "ON" is set for a predetermined time and the keyhole can be irradiated. A message from the operation unit such as “Please come home, thank you for your work” or “Thank you for your work, always thank you” on the electronic display in conjunction with turning on and off the light emitting element for a predetermined time. The doorknob according to any one of claims 1 to 3, wherein a message can be selected and displayed by a housekeeper on the indoor side. 5. The door knob body formed by integrally molding a composite member of aluminum die casting and resin, wherein the resin is transparent or translucent and contains an antistatic agent. 6. The doorknob of item 1.

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